4,5-Dimethyl-2-pyrimidinol

4,5-二甲基-2-羟基嘧啶

Also known as: 4,5-dimethyl-2(1H)-pyrimidinone, 2-hydroxy-4,5-dimethylpyrimidine, 4,5-dimethylpyrimidin-2-ol, 4,5-dimethyl-2-pyrimidone, 4,5-dimethyl-3H-pyrimidin-2-one, 5,6-dimethyl-2(1H)-pyrimidinone, 4,6-dimethyl-1H-pyrimidin-2-one, 5,6-dimethyl-1H-pyrimidin-2-one, 2(1H)-pyrimidinone, 4,5-dimethyl- (9CI), 2-Hydroxy-4,5-dimethyl-pyrimidin, 4,5-dimethyl-1H-pyrimidin-2-one

4,5-Dimethyl-2-pyrimidinol (CAS 34939-17-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O and a molecular weight of 124.14100 g/mol. It is also known as 4,5-dimethyl-2(1H)-pyrimidinone, 2-hydroxy-4,5-dimethylpyrimidine and 4,5-dimethylpyrimidin-2-ol. Key properties include a boiling point of 323.1ºC at 760 mmHg, a density of 1.17 and a flash point of 149.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 34939-17-8
Jingsj CID: J-1511623-9
Molecular Formula: C₆H₈N₂O
Chinese Name: 4,5-二甲基-2-羟基嘧啶
Molecular Weight: 124.14100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	323.1ºC at 760 mmHg
Density	1.17
Flash Point	149.2ºC

Frequently Asked Questions

What is the CAS number of 4,5-Dimethyl-2-pyrimidinol?

The CAS number of 4,5-Dimethyl-2-pyrimidinol is 34939-17-8.

What are the molecular formula and molecular weight of 4,5-Dimethyl-2-pyrimidinol?

4,5-Dimethyl-2-pyrimidinol has molecular formula C6H8N2O and molecular weight 124.14100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Dimethyl-2-pyrimidinol (CAS 34939-17-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511623-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.